Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Stock-based Compensation (Details) - Stock Option Compensation

v2.4.0.8
Note 4 - Stock-based Compensation (Details) - Stock Option Compensation (USD $)
3 Months Ended 6 Months Ended
Sep. 28, 2014
Sep. 29, 2013
Sep. 28, 2014
Sep. 29, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense $ 212,000 $ 163,000 $ 427,000 $ 356,000
Cost of Sales [Member] | Employee Stock Option [Member] | Fiscal Year 2012 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense       14,000
Cost of Sales [Member] | Employee Stock Option [Member] | Fiscal Year 2013 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense   10,000 12,000 24,000
Cost of Sales [Member] | Employee Stock Option [Member] | Fiscal Year 2014 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense 6,000 6,000 13,000 7,000
Cost of Sales [Member] | Employee Stock Option [Member] | Fiscal Year 2015 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense 12,000   14,000  
Cost of Sales [Member] | Employee Stock Option [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense 18,000 16,000 39,000 45,000
Operating Expense [Member] | Employee Stock Option [Member] | Fiscal Year 2012 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense       11,000
Operating Expense [Member] | Employee Stock Option [Member] | Fiscal Year 2013 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense   10,000 12,000 24,000
Operating Expense [Member] | Employee Stock Option [Member] | Fiscal Year 2014 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense 6,000 6,000 13,000 7,000
Operating Expense [Member] | Employee Stock Option [Member] | Fiscal Year 2015 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense 10,000   12,000  
Operating Expense [Member] | Employee Stock Option [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense 16,000 16,000 37,000 42,000
Employee Stock Option [Member] | Fiscal Year 2012 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense       25,000
Employee Stock Option [Member] | Fiscal Year 2013 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense   20,000 24,000 48,000
Employee Stock Option [Member] | Fiscal Year 2014 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense 12,000 12,000 26,000 14,000
Employee Stock Option [Member] | Fiscal Year 2015 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense 22,000   26,000  
Employee Stock Option [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense $ 34,000 $ 32,000 $ 76,000 $ 87,000